Re: i386 compatibility & libstdc++
On Saturday 26 April 2003 05:08, Chris Cheney wrote:
> On Sat, Apr 26, 2003 at 09:36:56AM +0800, Cameron Patrick wrote:
> > What about the Via C3? That was introduced not too long ago, runs
> > moderately quickly (~1GHz) with low power consumption, but IIRC doesn't
> > support the i686 instruction set.
> The issue with this appears to be a gcc bug with respect to compiling
> for i686:
> http://marc.theaimsgroup.com/?l=linux-kernel&m=104263370505476&w=2
Considering cmov optional for i686 seems odd. The only major new operand added
from i586->i686 was cmov. In most cases using cmov is a HUGE win because you
avoid branching. Even as a owner of a C3 cpu, I would leave C3 on the other
side of the fence, slowing down 99% of Athlon/PII users for the sake of 1% of
C3 users doesn't make sense.
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